CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($) $ in Thousands	Total	Common Stock	Additional Paid-In Capital	Retained Earnings	Other Cumulative Comprehensive Loss	Treasury Stock
Beginning balances (in shares) at Dec. 31, 2016		14,498,737				2,378
Beginning balances at Dec. 31, 2016	$ 112,409	$ 725	$ 73,116	$ 80,107	$ (41,514)	$ (25)
Increase (Decrease) in Stockholders' Equity
Net income (loss)	(18,853)			(18,853)
Change in cumulative foreign currency translation adjustment	10,695				10,695
Reclassification of DynaEnergetics Siberia cumulative translation loss to Statement of Operations upon substantial liquidation	0
Shares issued in connection with stock compensation plans (in shares)		323,064
Shares issued in connection with stock compensation plans	296	$ 16	280
Stock-based compensation	2,750		2,750
Dividends declared	(1,180)			(1,180)
Treasury stock purchases (in shares)						(37,405)
Treasury stock activity	(337)					$ (337)
Ending balances (in shares) at Dec. 31, 2017		14,821,801				39,783
Ending balances at Dec. 31, 2017	105,780	$ 741	76,146	60,074	(30,819)	$ (362)
Increase (Decrease) in Stockholders' Equity
Net income (loss)	30,473			30,473
Change in cumulative foreign currency translation adjustment	(4,195)				(4,195)
Reclassification of DynaEnergetics Siberia cumulative translation loss to Statement of Operations upon substantial liquidation	0
Shares issued in connection with stock compensation plans (in shares)		166,161
Shares issued in connection with stock compensation plans	442	$ 8	434
Stock-based compensation	3,497		3,497
Dividends declared	(1,191)			(1,191)
Treasury stock purchases (in shares)						(42,403)
Treasury stock activity	(455)					$ (455)
Ending balances (in shares) at Dec. 31, 2018		14,987,962				82,186
Ending balances at Dec. 31, 2018	134,286	$ 749	80,077	89,291	(35,014)	$ (817)
Increase (Decrease) in Stockholders' Equity
Net income (loss)	34,041			34,041
Change in cumulative foreign currency translation adjustment	(1,209)				(1,209)
Reclassification of DynaEnergetics Siberia cumulative translation loss to Statement of Operations upon substantial liquidation	10,420				10,420
Shares issued in connection with stock compensation plans (in shares)		129,245				7,502
Shares issued in connection with stock compensation plans	557	$ 7	550
Stock-based compensation	5,012		5,012
Dividends declared	(4,330)			(4,330)
Treasury stock purchases (in shares)						(389,848)
Treasury stock activity	(6,636)					$ (6,636)
Ending balances (in shares) at Dec. 31, 2019		15,117,207				464,532
Ending balances at Dec. 31, 2019	$ 172,141	$ 756	$ 85,639	$ 119,002	$ (25,803)	$ (7,453)